John Overdeck Two Sigma Investments
John Overdeck is a co-founder of Two Sigma Investments, one of the world’s leading quantitative and technology-driven investment firms. Two Sigma applies data science, machine learning, and large-scale computing to markets across asset classes. Overdeck’s firm is a central reference point in discussions of modern systematic investing.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Intuit
INTU
|
+$753M |
| 2 |
Boston Scientific
BSX
|
+$540M |
| 3 |
Dow Inc
DOW
|
+$485M |
| 4 |
Wells Fargo
WFC
|
+$457M |
| 5 |
Goldman Sachs
GS
|
+$378M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Micron Technology
MU
|
+$1.32B |
| 2 |
NVIDIA
NVDA
|
+$1.02B |
| 3 |
Alphabet (Google) Class A
GOOGL
|
+$787M |
| 4 |
SNDK
Sandisk
SNDK
|
+$744M |
| 5 |
Dell
DELL
|
+$688M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 19.71% |
| 2 | Financials | 15.22% |
| 3 | Healthcare | 11.94% |
| 4 | Industrials | 11.55% |
| 5 | Consumer Discretionary | 9.6% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
51
General Motors
GM
$77.2B
| $481M | 0.35% |
6,239,851
+305,290
| +5% | +$24M |
|
52
Blackrock
BLK
$179B
| $467M | 0.34% |
485,320
+292,299
| +151% | +$302M |
|
53
Hewlett Packard
HPE
$70.8B
| $459M | 0.33% |
10,174,449
-421,138
| -4% | -$15.2M |
|
54
State Street Financial Select Sector SPDR ETF
XLF
$57.8B
| $427M | 0.31% |
7,958,200
+2,796,464
| +54% | +$145M |
|
55
Ralph Lauren
RL
$22.2B
| $421M | 0.3% |
1,048,689
+151,965
| +17% | +$56.6M |
|
|
NBIS
56
Nebius Group N.V.
NBIS
$59.6B
| $416M | 0.3% |
1,504,937
-1,290,146
| -46% | -$255M |
|
57
Palantir
PLTR
$432B
| $413M | 0.3% |
3,544,053
-2,886,449
| -45% | -$394M |
|
58
Regeneron Pharmaceuticals
REGN
$85.9B
| $409M | 0.3% |
656,124
-156,112
| -19% | -$106M |
|
59
Texas Instruments
TXN
$241B
| $409M | 0.3% |
1,371,840
+1,242,740
| +963% | +$345M |
|
60
TE Connectivity
TEL
$58.9B
| $409M | 0.3% |
2,028,193
+335,313
| +20% | +$71.4M |
|
61
Amgen
AMGN
$238B
| $409M | 0.3% |
1,128,681
+1,057,001
| +1,475% | +$362M |
|
62
CALL
State Street SPDR S&P 500 ETF Trust
SPY
$809B
| $408M | 0.3% |
546,800
+428,700
| +363% | +$311M |
|
|
63
PUT
State Street SPDR S&P 500 ETF Trust
SPY
$809B
| $408M | 0.3% |
546,800
+428,200
| +361% | +$310M |
|
64
Centene
CNC
$32.1B
| $407M | 0.3% |
6,348,038
-395,908
| -6% | -$21.2M |
|
65
Cintas
CTAS
$81.6B
| $402M | 0.29% |
2,360,937
+1,256
| +0.1% | +$217K |
|
66
ON Semiconductor
ON
$28.9B
| $385M | 0.28% |
4,068,560
-385,255
| -9% | -$39.5M |
|
67
Applied Digital
APLD
$7.74B
| $384M | 0.28% |
10,299,117
+8,706,515
| +547% | +$336M |
|
68
Meta Platforms (Facebook)
META
$1.4T
| $377M | 0.27% |
669,390
-113,835
| -15% | -$69.6M |
|
69
Copart
CPRT
$31.3B
| $354M | 0.26% |
12,549,718
+1,841,683
| +17% | +$59.5M |
|
70
BridgeBio Pharma
BBIO
$15.9B
| $352M | 0.25% |
4,722,185
+1,601,554
| +51% | +$112M |
|
71
Freeport-McMoran
FCX
$110B
| $351M | 0.25% |
5,574,216
-677,235
| -11% | -$43.5M |
|
72
Neurocrine Biosciences
NBIX
$15.5B
| $350M | 0.25% |
2,076,260
-984,310
| -32% | -$146M |
|
73
Seagate
STX
$193B
| $342M | 0.25% |
354,816
+252,291
| +246% | +$192M |
|
|
CRWV
74
CoreWeave
CRWV
$48.5B
| $342M | 0.25% |
3,431,074
+3,317,458
| +2,920% | +$358M |
|
75
Union Pacific
UNP
$183B
| $341M | 0.25% |
1,254,083
+157,136
| +14% | +$41.3M |
|
Similar funds
John Overdeck's Q2 2026 Portfolio in Review
As of Q2 2026, John Overdeck held 5,589 positions worth $138B, up 11% from $124B the previous quarter. Its ten largest holdings account for 8.3% of the portfolio.
John Overdeck withdrew a net $4.38B in Q2 2026, closing 572 positions and reducing 1,756 holdings. Its most notable exit was State Street Technology Select Sector SPDR ETF, an estimated $172M position sold in full.
By sector, the portfolio is most concentrated in Technology at 20% of assets, up from 19% a quarter earlier, followed by Financials and Healthcare.
Against the trend, John Overdeck opened a new position in Intuit worth $564M.
- John Overdeck's largest Q2 2026 buy was Intuit: 2,161,507 shares worth $564M.
- John Overdeck added most to Boston Scientific in Q2 2026, an estimated $540M increase.
- John Overdeck's biggest Q2 2026 reduction was Micron Technology, cutting an estimated $1.32B.
- John Overdeck fully exited State Street Technology Select Sector SPDR ETF in Q2 2026, selling an estimated $172M.
- John Overdeck's ten largest holdings make up 8.3% of its $138B portfolio in Q2 2026.
- John Overdeck opened 1,050 new positions and closed 572 in Q2 2026.
- John Overdeck's portfolio value rose 11% quarter-over-quarter to $138B.
Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.